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298242321 = 31319339623
BaseRepresentation
bin10001110001101…
…101000100010001
3202210012021112220
4101301231010101
51102322223241
645332211253
710251006066
oct2161550421
9683167486
10298242321
11143393963
1283a69b29
1349a33a60
142b876c6d
151b2b3166
hex11c6d111

298242321 has 16 divisors (see below), whose sum is σ = 430475136. Its totient is φ = 182578176.

The previous prime is 298242317. The next prime is 298242337. The reversal of 298242321 is 123242892.

It is not a de Polignac number, because 298242321 - 22 = 298242317 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (298242341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12285 + ... + 27338.

It is an arithmetic number, because the mean of its divisors is an integer number (26904696).

Almost surely, 2298242321 is an apocalyptic number.

It is an amenable number.

298242321 is a deficient number, since it is larger than the sum of its proper divisors (132232815).

298242321 is a wasteful number, since it uses less digits than its factorization.

298242321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39832.

The product of its digits is 13824, while the sum is 33.

The square root of 298242321 is about 17269.6937147131. The cubic root of 298242321 is about 668.1230015111.

The spelling of 298242321 in words is "two hundred ninety-eight million, two hundred forty-two thousand, three hundred twenty-one".

Divisors: 1 3 13 39 193 579 2509 7527 39623 118869 515099 1545297 7647239 22941717 99414107 298242321